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FS-8700-17 Optomux Driver Manual
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042
Visit our website: www.fieldserver.com E-mail: support@fieldserver.com
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255 the Optomux literature should be read for additional
information as these are codes returned by the Optomux device.
128 Nak from Optomux Device. Power Up Clear Expected. Command
Ignored.
129 Nak from Optomux Device. Undefined Command
130 Nak from Optomux Device. Checksum Error
131 Nak from Optomux Device. Input Buffer Overun
132 Nak from Optomux Device. Non Printable Ascii character received
133 Nak from Optomux Device. Data Field Error
134 Nak from Optomux Device. Communication watchdog timeout
135 Nak from Optomux Device. Specified limits invalid.
The following codes are generated by the driver. They all indicate
errors.
250 An ack with no data was expected. Ack with Data was received.
251 The driver Complete function returned an error, could be
checksum, bad 1st char ... ie. The message was badly formatted.
252 Driver Timeout
253 An ack was received but it was badly formatted
254 A nak was received but was badly formatted
255 Message was not acknowledged correctly.
6.4 Optomux Commands
The following provides a list of commands supported by the driver. The Command
Name’s provided in the table must be used in providing values for the opto22_function
parameter. The notes provided only apply when module positions are specified
dynamically.